Madelyn Carnahan, MS, RDN, LD
Individual provider Active NPI Registered Dietitian · Defiance, OH
NPI 1124873542 · NPPES record last updated Jun 10, 2026
Key facts
- NPI
- 1124873542
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Registered Dietitian 133V00000X
- License
- LD.10548 (OH)
- Practice address
- 724 Inverness Dr
Defiance, OH 43512-8549 - Phone
- (419) 980-9813
- NPI assigned
- Apr 19, 2024
- Sex
- Female
- Sole proprietor
- Yes
Organizations & group practices 1
Medicare Care Compare profile
- Specialty
- Registered Dietitian Or Nutrition Professional
- Education
- Other, 2022
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Healthy Hearts Nutrition LLC
Practice addresses (Care Compare)
4359 E Enon Rd
Yellow Springs, OH 45387-9708
Phone (937) 206-1131
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled in OH
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20240508002574 | OH | Practitioner - Registered Dietitian Or Nutrition Professional | 7911348941 | Reassigns benefits to 1 organization |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Master of Science
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| LD.10548 | OH | MD | Registered Dietitian |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Healthy Hearts Nutrition LLC | Dietitian, Registered | Current |
Accepting new patients |
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Registered Dietitian | 133V00000X | 37003994A | IN | |
| Registered Dietitian | 133V00000X | LD.10548 | OH | Yes |
Addresses
Primary practice location
724 Inverness Dr
Defiance, OH 43512-8549
Mailing address
724 Inverness Dr
Defiance, OH 43512-8549
Phone (419) 980-9813
Other practice location 1
4359 E Enon Rd
Yellow Springs, OH 45387-9708
Phone (937) 206-1131
Other providers in Defiance, OH
- Cabatan & Associates LLC
- Edgardo O Cabatan
- Lisa Marie Cameron
- Sabryn M Camp
- Samantha Campbell
- Lavona L Carpenter
- Jacqueline Carr
- Adolf O Casillas
- Joshua Glenn Cass
- Teya Castillo
All providers in Defiance, OH · Registered Dietitian in Ohio
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Jun 10, 2026. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.